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'Safe Mode and Failed Outside temp sensor

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Our RX300 recently started mis-behaving; it is running rough, will not rev above 3000rpm and the outside temperature gauge has stopped reading (reads ---).

The local (non-Lexus) garage have found a fault code tagged to the AFM sensor, which they have changed - no joy.

They also say that the loss of reading is not related.

There is no power to the temp sensor.

In my simplistic mind this is too much of a co-incidence. Anybody got any ideas - I have looked in the fuse box under the bonnet (which seems very small for the car, really) and none seem to have blown.

Suggestions welcome.


Many thanks,



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